Thanjavur district stands unique from time immemorial for its agricultural activities and is rightly acclaimed as the Granary of the South India. Lying in the deltaic region of the famous river Cauvery and criss-crossed by lengthy network of irrigation canals, this coastal district abounds in green paddy fields, tall coconut groves, vast gardens of mango and plantain trees and other verdant vegetation. Various testimonials available in the ancient Tamil literature referring to the Cauvery as possessing the sanctity of the Ganges in conformity with the legendry and mythological stories attributed to its divine origin, rightly point out why the river is popularly called the Mother Cauvery and its sacredness is evident from Kaviri-Thala-Puranam.
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The river has also been named Ponni because it is yielding pon -Gold in the form of paddy.
That is why it is said with pride that every iota of the earth of Thanjavur is equal to an iota of gold.
